Biology Midterm Review Wilfong

Front

What factor determines the sex of an individual in human beings?

Back

The presence of the Y chromosome.

Front

What is the term for all chemical reactions that occur within living things to sustain life?

Back

Metabolism.

Front

Which DNA sequence results in an identical, new sequence during both replication and transcription?

Back

TCTC.

Front

What analytical technique is most helpful in determining the difference between two alleles for a gene?

Back

Sequence the gene fragments.

Front

How should a proposal that the rate of increase in a plant’s mass will be proportional to the length of light exposure per day be classified?

Back

As a hypothesis.

Front

What is the basic unit of life?

Back

The cell.

Front

What is the process by which plants convert sunlight into chemical energy?

Back

Photosynthesis.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis.